Key result
Non-invasive volumetric source imaging reconstructs 3D transmural activation to identify deep VT circuits missed by standard mapping.
Why the study?
Electroanatomic mapping is limited to endocardial assessment and may fail to characterize deep intramural or septal VT circuits, necessitating improved non-invasive localization methods.
Does non-invasive volumetric source imaging (VSI) improve the localization of deep intramural or septal ventricular tachycardia (VT) circuits compared to standard electroanatomic mapping?
Does non-invasive volumetric source imaging (VSI) improve the localization of deep intramural or septal ventricular tachycardia (VT) circuits compared to standard electroanatomic mapping?
Answers are grounded in this paper and cite their sources.
Volumetric source imaging (VSI) is proposed as a novel non-invasive tool to characterize deep intramural or septal VT circuits that are often missed by standard endocardial electroanatomic mapping.
Electroanatomic mapping (EAM) is the gold-standard for guiding ventricular tachycardia (VT) ablation but is often limited to endocardial assessment and may fail to characterize deep intramural or septal circuits. A novel non-invasive volumetric source imaging (VSI) approach reconstructs 3D transmural activation and may overcome these limitations.
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Presmanes et al. (2026) studied this question. Non-invasive volumetric source imaging reconstructs 3D transmural activation to characterize deep intramural or septal ventricular tachycardia circuits missed by standard mapping.
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